Molicel P42A 21700 Battery – 4.2 Ah, 45 A (High Discharge)

Unleash extreme power and longevity with the Molicel P42A 21700 Battery. This top-tier cell offers a massive 4,200 mAh capacity paired with a blazing 45 A continuous discharge rating—making it one of the most potent 21700 batteries available. Built for high-drain applications like advanced mods, flashlights, e-scooters, and DIY packs, the P42A stands out for exceptional performance. 

Key Features

• High Energy Capacity – 4.2 Ah storage delivers extended runtime under heavy use. 
• Ultra-High Discharge – 45 A continuous output ensures strong, consistent power delivery. 
• Fast Recharge (3 C+) – Supports rapid charging cycles for convenience. 
• Low Internal Resistance – Promotes efficient performance and stable voltage under load. 
• Durable & Safe Design – Manufactured by Molicel, leaders in high-power lithium-ion cell innovation. 

Technical Specifications

Safety Notice

⚠ Important Safety: This is an unprotected lithium-ion cell and should only be used in devices or packs with proper protection circuits (BMS/PCB). Always charge using a compatible Li-Ion charger, store in a protective case, and inspect for damage regularly. 

Recommended Accessories

• Nitecore D4 Battery Charger – Safe and versatile charging for 21700 and 18650 cells
• 21700 Battery Storage Case – Secure transport and storage solution
• Molicel P45B 21700 Battery – Comparable high-discharge, higher-efficiency option

Why Choose the Molicel P42A?

• Outstanding balance of capacity and raw power—ideal for demanding devices requiring both longevity and performance.
• High-quality build from a renowned manufacturer known for reliability and innovation.